Spring boot data redis example with two data sources with@TimeToLive.
Spring boot example to send email using replyTo option.
What’s the difference between @Controller, @Component, @Repository & @Service annotations in Spring?
Know to difference between Spring stereo type annotations @Controller, @Component, @Repository & @Service.
Possible reason and fix for spring @Autowiring not working.
Learn about security configurations provided by MongoDB like Authentication, TLS etc.
Serialize JSON in ordered properties in Java using Jackson library.
Fixing out or memory or low heap issue of angular build.
Define more meaning full tables with JPA @Entity with columnDefinition field of @Column annotation.
Spring boot example to using H2 DB with JPA. In this example I create one rest service with H2 DB.
CORS configuration example in spring boot using spring security CorsConfigurationSource, UrlBasedCorsConfigurationSource and WebSecurityCustomizer .